To investigate if a difference exists between young and old mice in the response of articular cartilage to interleukin 1 (IL1) and transforming growth factor beta (TGFbeta) alone or in combination.
Rheumatology Research Laboratory, Department of Rheumatology, University Medical Centre Nijmegen, Nijmegen, 6525 GA, The Netherlands. a.scharstuhl@ncmls.kun.nl